cxx/test/containers/sequences/container.adaptors/queue/queue.defn/front_const.pass.cpp
2010-05-11 21:36:01 +00:00

28 lines
628 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <queue>
// const_reference front() const;
#include <queue>
#include <cassert>
int main()
{
std::queue<int> q;
assert(q.size() == 0);
q.push(1);
q.push(2);
q.push(3);
const std::queue<int>& cqr = q;
const int& cir = cqr.front();
assert(cir == 1);
}